QuestDB vs Supabase
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both QuestDB and Supabase are credible databases tools, and the right pick comes down to your priorities.
QuestDB - High-performance time-series database with SQL
Supabase - The open-source Firebase alternative.
QuestDB vs Supabase: side by side
| Dimension | QuestDB | Supabase |
|---|---|---|
| Starting price | Free | Free - $25/mo |
| Free plan | Yes | Yes |
| Pricing model | Open source | Freemium |
| Best for | Developers, Data Engineers | Developers, Startups |
| Platforms | Self Hosted, Api | Web, Api, Self Hosted |
| Rating | 4.5/5 | 4.6/5 |
QuestDB key facts
- Vendor
- QuestDB
- Pricing
- Open source - Free
- Free tier
- Yes
- Platforms
- Self Hosted, Api
- Best for
- Developers, Data Engineers
- Editor rating
- 4.5 / 5
- Founded
- 2019
- Headquarters
- London, UK
Supabase key facts
- Vendor
- Supabase
- Pricing
- Freemium - Free - $25/mo
- Free tier
- Yes
- Platforms
- Web, Api, Self Hosted
- Best for
- Developers, Startups
- Editor rating
- 4.6 / 5
- Founded
- 2020
- Headquarters
- Remote
Frequently asked questions
Is QuestDB better than Supabase?
Neither is universally better - Supabase edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is QuestDB or Supabase cheaper?
QuestDB is the more affordable of the two to get started, at free. QuestDB starts at free; Supabase starts at free - $25/mo.
Can QuestDB replace Supabase?
Yes for most teams - both are databases tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.